Improved speiig-bed bottom



El?. Warden Je H. Wilms, il'z'zyed Batam, i I

" 74872 PATENTED FEB 25 i868l E. E. 'WORDENAND H. WILMs, or BRANDON', VERMONT.

Letters .Patent No. 74,872, dated February 25, 1868.

IMPROVED SPRING-BED BOTTOM.

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`VTO ALL WHOM IT M AY ONCERN:

Be it known` that we, E. E. VORDEN and H. lVInMS, of Brandon, in the'county of Rutland, and State ofV Vermont, have invented a new and improved Spring-Bed Bottom; and we do hereby declare that the following is a'full, clear, and exact description thereof', which will enable others skilled in the art to make and .use the same, reference beingr had to the accompanying drawings, forming part of this specification.

This invention relates to anew and improved method of constructing spring-bed bottoms, and it consists in the use of elliptic springs or stays, and in the manner in which the upper frame is supported thereby, and also p' vin the manner `in which the spiral springs are supported and held in position, aswill be hereinafter more fully described. V

Figure 1 represents a. top view of a bed-bottom formed according to ourinvention.

Figure 2 is a vertical end View of the same, showing the supporting elliptic spring between the iframes, and` themanner in which the spiral springs are connected and supported` Similar letters of reference indicate corresponding parts. A represents the base or lower frame, formed of two (more or less) longitudinal pieces an, and more or less transverse slats Z), bywhicli the pieces a'are connected in the usual manner. Abovethe frameAthere is anotherl frame B, which, in this example of our invention, is made of metallic rods. C represents elliptic springs or stays,

two or more of which are placed between the two'frames for the support of the outer edges. These springs are formed of two pieces, each connected together, as seen in the drawing, .with the ends ofthe upper piece extending each way on the lower frame for steadying and supporting the upper frame and spiral spring where it is secured to the-frameby bolts or screws, which pass'throughslots so as to allow of its expansion. l The spring or'stay C is* also connected with the lower frame at e, and to the upper frame at f, as'seen in'the drawing. D

represents the spiral springs, which are placed upon the lower frame and connected together, and to the upper frame by'cord or wire diagonally across the top of. the springs, as seen in the drawing. And in addition to this support, the cord orrwire is passed alternately from the top to the middle of the springs, so that the centre or weaker portions of the springs are supported, andthe springs kept in an upright position. This mcthod'oi con'- necting and securing the spiral springsis clearly shown iu iig: 2. By the application of two or more elliptic stays or springs C,`lateral motion .is prevented, which counteracts the tendency of the spiral springsto sway from an upright position. It will be seen that the upper andthe lower frames are connected by spiral springs near their extreme outer edges, thereby giving elasticity to the edge. These spring-.bottoms may be made of any suitable materials, and the elliptic springs or stays may be attached to-the upper `fralnein any suitable manner. i j Y Having thus described our invention, what we claim as new, and desire td secure by Letters Patent, is-

The s tays C, supporting4 the outerA edges of theframes A B, the ends ofthe upper piece ofthe stay slotted to slide upon pins in the lower frame, andfconnected at its centrej`, to the upper frame, the lower piece oi` said stay secured at its centre to the lower frame, and at its end toupper piece, all operating :is described for the purpose specified. d

The above specification of our invention 'signe'd by us., this 8th day of October, 186.7.

` E. E. WORDEN, i

H. WILMS'.

Witnesses: p

` HIRAM ROBERTS,

Ozao Museum. 

